all my life i have always used just the hand powered pumps to blow up my bike tires, but now i would like something easier and less effort to use. i have heard about these pumps that use gas. What i would like to know is:
How much do these cost?
How big are they? (can i fit them in my bag?)
How many tires can one gas canester fill?
How much does the gas cost? or can you get it refilled at LBS?
Or can anybody recomend other pumps that i can carry with me but are easy to use.
By the way i live in UK so can you put proices in GBP.